1 files changed, 1 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index cc20336dd30..2265c2c34db 100644
--- a/src/process.c
+++ b/src/process.c
@@ -2108,7 +2108,7 @@ send_process (proc, buf, len)
         /* Don't send more than 500 bytes at a time.  */
         if (this > 500)
           this = 500;
-        old_sigpipe = signal (SIGPIPE, send_process_trap);
+        old_sigpipe = (SIGTYPE (*) ()) signal (SIGPIPE, send_process_trap);
         rv = write (XFASTINT (XPROCESS (proc)->outfd), buf, this);
         signal (SIGPIPE, old_sigpipe);
         if (rv < 0)